#define   _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
/*int main()
{
	int a;
	for (int a=1;a<=100;a++)
		if (a % 3 == 0) {
			printf("%d\n", a);
		}
	return 0;
}*/
/*int main()
{
	int a, b, c;
	scanf("%d %d %d", &a, &b, &c);
	if (a < b) {
		int x = b;
		b = a;
		a = x;
	}if (a < c) {
		int x = c;
		c = a;
		a = x;
	}if (b < c) {
		int x = b;
		b = c;
		c= x;
	}printf("%d %d %d", a, b, c);
	return 0;
}*/
/*int main() {
	int a, b, c;
	while (scanf("%d %d %d", &a, &b, &c) != EOF)
	{
		if (a + b > c && a + c > b && b + c > a)
		{
			if (a == b && b == c)
			{
				printf("Equilateral triangle!\n");
			}
			else if (a == b || b == c || c == a)
			{
				printf("Isosceles triangle!\n");
			}
			else 
			{
				printf("Ordinary triangle!\n");
			}
		}
		else
		{
			printf("Not a triangle!\n");
		}
	}
	return 0;
}*/
/*int main()
{
	float sum = 0.0;
	int flg=1;
	for (int a = 1; a <= 100; a++)
	{
		sum = sum + 1.0*flg / a;
		flg = -flg;
	}
	printf("%f\n", sum);
	return 0;
}*/
/*int main()
{
	int a = 0, c = 0;
	for (int a = 1; a <= 100; a++)
	{
		if (a % 10 == 9)
		{
			c++;
		}
		if (a / 10 == 9)
		{
			c++;
		}
	}
	printf("%d", c);
	return 0;
}*/
/*int main()
{
	int a, b, c, d, e, f, g, h, i, j;
	scanf("%d%d%d%d%d%d%d%d%d%d", &a, &b, &c, &d, &e, &f, &g, &h, &i, &j);
	int arr[10] = { a, b, c, d, e, f, g, h, i, j };
	int max = arr[0];
	for (int x = 1; x < 10; x++)
	{
		if (max < arr[x])
		{
			max = arr[x];
		}
	}
	printf("%d\n", max);
	return 0;
}*/
/*int main()
{
	int a;
	for(int a=1000;a<=2000;a++)
		if (a % 4 == 0 && a % 100 != 0 || a % 400 == 0)
		{
			printf("%d\n", a);
		}

	return 0;
}*/

